08301nam a22002057a 4500 OSt 20250203094643.0 250203b |||||||| |||| 00| 0 eng d LC ENG LC ABK RDA 23rd ed. 631.4 EKW Ekwangu, Joseph Impact of soil nutrient management strategies on soil organic carbon stocks and finger- millet (eleusine coracana Gaertn) productivity in the Semi-Arid areas of Eastern Uganda / Ekwangu Joseph Kampala : Uganda Martyrs University ; c 2024 xiv,184 pages : illustrations ; 30 cm Include bibliographical references Ch 1: General introduction - - 1.0 Introduction - - 1.1 Background of the study - - 1.2 Statement of the problem - - 1.3 Objectives of the study - - 1.3.1 General objective - - 1.3.2 Specific objectives - - 1.4 Hypotheses - - 1.5 Scope of the Study - - 1.5.1 Conceptual scope - - 1.5.2 Geographical scope - - 1.5.3 Time scope - - 1.6 Significance of the study - - 1.7 Justification of the study - - 1.8 Conceptual framework - - 1.9 Definition of key terms - - 1.9.1 Soil Organic Carbon (SOC) 1.9.2 Soil carbon sequestration - - 1.9.3 Climate - - 1.9.4 Topography - - 1.9.5 Soil texture - - 1.9.6 Land use - - 1.9.7 Fertilizer - - 1.9.8 Inorganic fertilizer - - 1.9.9 Organic fertilizer - - 1.9.10 Semi-arid areas - - Ch 2: Literature review - - 2.0 Introduction - - 2.1 Distribution of soil organic carbon, Nitrogen, Phosphorus, and Potassium in the finger millet growing areas of Sub-Saharan Africa - - 2.1.1 Status of Soil Organic Carbon (SOC) stocks in sub–Saharan Africa - - 2.1.2 Methods used to study soil organic carbon dynamics -- - 2.1.3 Finger millet nutrient requirements and Nitrogen, Phosphorus and Potassium (NPK) status in Uganda - - 2.1.3.1 Nitrogen, Phosphorous, and Potassium Status in Uganda - - 2.1.3.2 Finger millet N and P requirements - - 2.1.3.3 Nitrogen and phosphorus effect on finger millet growth and yield parameters - - 2.2 Effect of Organic and inorganic fertilizer application on soil organic carbon stock and finger millet productivity - - 2.2.1 Soil Organic Carbon stocks as influenced by inorganic fertilizer application - - 2.2.2 Soil organic carbon as influenced by organic fertilizer application - - 2.2.3 The importance of SOC in soil fertility management - - 2.2.4 Soil organic carbon thresholds - - 2.2.5 Soil organic carbon fractions and their influence on soil fertility - - 2.2.6 Relationship between SOC and improved soil quality - - 2.2.7 Influence of SOC concentrations on yield response to fertilizer - - 2.3 Finger millet-legume intercropping or rotation and its effect on soil organic carbon and finger millet yield - - 2.3.1 The role of legumes in Biological Nitrogen Fixation (BNF), increased cereal productivity and soil moisture management - - 2.3.2 The role of SOC in soil fertility - - 2.3.3 The Role of SOC in influencing soil physical and chemical properties, and nutrient recycling - - Ch 3: Materials and methods - - 3.0 Introduction - - 3.1 Objective 1: To characterize the distribution of soil organic carbon, Nitrogen - - Phosphorus and Potassium levels in finger millet growing areas of Eastern Uganda - - 3.1.1 Materials of the study - - 3.1.2 Study area - -- 3.1.3 Study design - - 3.1.4 Data collection procedure - - 3.1.5 Soil Sample Analysis - - 3.1.5.1 Determination of pH - - 3.1.5.2 Determination of Total Nitrogen - - 3.1.5.3 Determination of Phosphorus - - 3.1.5.4 Exchangeable Cations in Soils (K, Ca and Mg) - - 3.1.5.5 Data analysis - - 3.2 Objective two: Determination of the effect of fertilizer application on finger millet - - productivity and soil carbon stocks in the semi-arid areas of eastern Uganda - - 3.2.1 Materials - - 3.2.2 Study area - - 3.2.3 Study design - - 3.2.4 Data collection - - 3.2.4.1 Stand count - - 3.2.4.2 Tiller number - - 3.2.4.3 Days to 50% flowering - - 3.2.4.4 Plant height (cm) - - 3.2.4.5 Number of fingers - - 3.2.4.6 Finger millet head diameter - - 3.2.4.7 Soil organic carbon - - 3.2.5 Data analysis - - 3.3 Objective three: Assessment of the effect of finger millet-legume integration on soil organic carbon and finger millet productivity - - 3.3.1 Materials - - 3.3.2 Study site - - 3.3.3 Experimental design - - 3.3.4 Data collection - - 3.3.4.1 Stand count - - 3.3.4.2 Tiller number - - 3.3.4.3 Days to 50% flowering - - 3.3.4.4 Plant height (cm) - - 3.3.4.5 Pod number and number of seeds per pod - - 3.3.4.6 Pod length (cm) - - 3.3.4.7 Finger number - - 3.3.4.8 Soil organic carbon - - 3.4 Data analysis - - 3.5 Ethical considerations - - Ch 4: Presentation of results and discussions - - 4.0 Introduction - - 4.1 The distribution of soil organic carbon, N, P, K, Ca, Mg, and pH in the parishes of - - Olupe and Okulonyo in Kumi and Serere districts - - 4.1.1 Distribution of soil organic carbon, N, P, K, Ca, Mg, and pH in Olupe and Okulonyo parishes in Kumi and Serere district - - 4.1.2 Distribution of soil organic carbon, N, P, K, Ca, Mg, and pH in Okulonyo parish in Serere district, eastern Uganda - - 4.1.3 Distribution of soil organic carbon, N, P, K, Ca, Mg and pH in Kuju parish in Amuria district, eastern Uganda - - 4.1.4 Nitrogen, phosphorus, Potassium and pH levels in the soils of the three parishes in Serere, Kumi and Amuria districts with declining finger millet productivity in eastern Uganda - - 4.1.5 Quantity of Soil Organic Carbon (SOC) recorded in the three districts of Kumi, Serere and Amuria in eastern Uganda - - 4.1.6 Effect of soil management practices on soil chemical properties in the three districts of eastern Uganda - - 4.1.7 Relationship between soil chemical properties in the finger millet growing districts in eastern Uganda - - 4.2 Effect of application of organic and inorganic fertilizers on finger millet productivity and soil organic carbon stocks - - 4.2.1 Effect of fertilizer application rates on finger millet growth parameters - - 4.2.2 Effect of fertilizer application rates on finger millet grain yield and soil organic carbon Stocks - - 4.2.3. Influence of fertilizer application rates and finger millet biomass and soil carbon stocks in finger millet production - - 4.2.4 ...Effect of interaction of fertilizer rates and season on finger millet grain yield and yield Parameters - - 4.3 Effect of Legume integration on finger millet productivity - - 4.3.1 Effect of finger millet legume intercropping on finger millet and legume plant height - - 4.3.2 Influence of intercropping finger millet with legumes on days to flowering - - 4.3.3 Finger millet maturity time under different finger millet legume intercrops - - 4.3.4 Effect of finger millet legume intercropping on finger millet and legume yield Parameters - - 4.3.5 Quantity of finger millet and legume grain yield under intercropping regimes - - 4.3.6 Land equivalent ratios for finger millet legume intercropping - - 4.3.7 Effect of Legume finger millet rotation on finger millet growth - - 4.3.8 Effect of legume-finger millet rotation on finger millet grain yield - - 4.3.9 Relationship between finger millet growth and yield parameters - - 4.4 General Discussion of the findings of this study - - Ch 5 :Summary of results and implication of the study - - 5.0 Introduction - - 5.1 Summary of Results - - 5.1.1 Distribution of soil organic carbon, nitrogen, and phosphorus levels in the finger the millet growing areas of eastern Uganda - - 5.1.2 Effect of organic and inorganic amendments application on soil carbon sequestration in finger millet production in eastern Uganda - - 5.1.3 Legume-finger millet intercropping or rotation effect on finger millet productivity in the semi-arid areas of eastern Uganda - - 5.2 Implications of the study - - 5.2.1 Introduction - - Ch 6: Conclusions and recommendations of the study - - 6.0 Introduction - - 6.1 Conclusions - - 6.2 Recommendations - - 6.2.1 To Accademia and Researchers - - 6.2.2 To Policymakers - - 6.2.3 To Development Partners - - 6.2.4 To Farmers - - 6.3 Areas for further research - - Soil nutrient Soil organic ddc THESIS 39609 39608 0 0 ddc 0 0 ABK ABK 2025-02-03 0 631.4 EKW 5438 2025-02-03 12:46:35 2025-02-03 THESIS